brand new and high quality Features: The heartbeat detector can detect irregular heartbeats during the measurement process and send a notification signal on the screen in for time to provide more for protection for your for health. Blood pressure monitor supports 120 sets of data storage, perfectly tracking your for health and comparing trends over a period of for time. Adopt LCD high-definition display screen, which can clearly display the pulse rate; large screen display, humanized detail design, easy to read. High-performance, fast measurement, sensitive response, accurate data, low power consumption, energy saving and environmental for protection. One-button operation is easy to use, automatic measurement, just wear the arm cuff and press the switch button, you can quickly get the answer. Specifications: Product Name: Blood Pressure Monitor Display: LCD digital display screen Measurement method: wrist pressure sensitive measurement Exhaust mode: automatic rapid exhaust mode Measuring range: 0-300 mmHg Memory capacity: 120 groups of data storage Pulse: 30-180 for beats/minute Power supply: 2 AAA batteries (not included) Accuracy: static pressure: 3 mmHg Pulse: 5% Operating environment: 10-40 Relative humidity: less than 80% Pressure: Fully automatic pressure method Decompression: automatic fixed speed exhaust mode Suitable for wristband range: 135mm-205mm Material: ABS Plastic Size: app.76x67.5x28.5mm/2.99x2.66x1.12in Color: White + Gray + Blue Quantity: 1set Note: Please allow 0-2 for cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Wrist Blood Pressure Monitor 1 x Manual(other accessories demo in the picture is not included.)